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From: Bagas Sanjaya <bagasdotme@gmail.com>
To: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>,
	Eric Biggers <ebiggers@kernel.org>,
	"Theodore Y. Ts o" <tytso@mit.edu>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>, Jens Axboe <axboe@kernel.dk>,
	Ard Biesheuvel <ardb@kernel.org>,
	linux-fscrypt@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v3 2/2] fscrypt: Add SM4 XTS/CTS symmetric algorithm support
Date: Mon, 28 Nov 2022 20:33:54 +0700	[thread overview]
Message-ID: <1a5e57be-ccff-f281-6e06-be5e59db1d05@gmail.com> (raw)
In-Reply-To: <20221125121630.87793-3-tianjia.zhang@linux.alibaba.com>

On 11/25/22 19:16, Tianjia Zhang wrote:
> SM4 is a symmetric algorithm widely used in China, and is even mandatory
> in many scenarios. We need to provide these users with the ability to
> encrypt files or disks using SM4-XTS, and many other algorithms that use
> SM2/3/4 algorithms or their combined algorithm scenarios, these features
> are demanded by many users, this patch enables to use SM4-XTS mode to
> encrypt file content, and use SM4-CBC-CTS to encrypt filename.
> 

Similar reply as [1]. That is, better say:

```
Add support for XTS and CTS mode variant of SM4 algorithm, in similar
fashion to SM2 and SM3. The former is used to encrypt file contents, while
the latter (SM4-CBC-CTS) is used to encrypt filenames. 
```

Thanks.

[1]: https://lore.kernel.org/linux-doc/42624542-6ccb-26a5-db98-d7944972246e@gmail.com/

-- 
An old man doll... just what I always wanted! - Clara


  parent reply	other threads:[~2022-11-28 13:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-25 12:16 [PATCH v3 0/2] Add SM4 XTS symmetric algorithm for blk-crypto and fscrypt Tianjia Zhang
2022-11-25 12:16 ` [PATCH v3 1/2] blk-crypto: Add support for SM4-XTS blk crypto mode Tianjia Zhang
2022-11-25 18:35   ` Eric Biggers
2022-11-25 18:37     ` Jens Axboe
2022-11-28 13:26   ` Bagas Sanjaya
2022-11-25 12:16 ` [PATCH v3 2/2] fscrypt: Add SM4 XTS/CTS symmetric algorithm support Tianjia Zhang
2022-11-25 18:24   ` Eric Biggers
2022-11-28  7:35     ` Tianjia Zhang
2022-11-28 13:33   ` Bagas Sanjaya [this message]
2022-12-01 12:45     ` Tianjia Zhang

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